HG/T 20592  法兰 WN 800-63 RF S=4

WN800-63 RF S=4

WN25-100RFGB0015 91500

HP-3=�Äď‚Ć05 B=508 S=90ESF0 RF1)c

SO 150(B)-10 RF1�0=1287ÃÂRFFRFF1/F

47065.2 B30 K=

DN 100-Sch10S 90ELh607206RRFh&5

PL150(A)-16 RF RF5=1

BL150-150 RF unde

WN 25-150 RF Sch4079.4fM 600FF5=1380

LWN